Job Url: https://www.glassdoor.com/Job/united-states-react-jobs-SRCH_IL.0,13_IN1_KO14,19.htm?remoteWorkType=1 Job Description: Block Labs 5.0 Senior Frontend Engineer (React) Apply on employer site Malta, MT · $66K - $118K (Glassdoor est.) Apply on employer site Is your resume a good match? Use AI to find out how well the skills on your resume fit this job description. Upload your resume Your qualifications for this job Do you have any of these qualifications? Cross-functional collaboration Selenium Cloud-based systems JavaScript frameworks Show more About Block Labs Block Labs is a leading force in the Web3 space, incubating, investing in, and accelerating top-tier fintech, crypto, and iGaming projects. With a mission to shape the future of decentralized technology, we partner with visionary startups to raise funding, refine product-market fit, and grow their audiences. As we continue to expand, we are looking for an ambitious and self-driven individual to join our rapidly growing team! About The Role As a Senior Frontend Engineer, you will help build high-performance, modular and visually engaging interfaces across a range of cutting-edge platforms. You will work within a cross-functional team of engineers, product managers and designers to deliver seamless user experiences across web application. This is a hands-on role with significant influence over architectural choices, component design and frontend tooling. Key Responsibilities: Design and implement user-facing features with strong attention to performance, responsiveness and UX Build, maintain and refactor modular React-based interfaces for scalability and reusability Collaborate with product and backend teams to define API contracts and feature behavior Advocate for clean, testable and maintainable code through peer reviews and documentation Optimize applications for speed, cross-browser compatibility and accessibility Work within a modern CI/CD pipeline to ship features efficiently and safely Contribute to shared design systems or internal tooling as needed About You: You have over 5 years of experience in frontend engineering with a focus on creating high-quality, scalable web applications Strong expertise in React (or comparable frameworks) and modern JavaScript/TypeScript Previous experience with micro frontend architectures is a plus Experience with build tools (like Bun, Vite, Webpack) and testing frameworks (such as Cypress or Selenium) is essential You have experience in DevOps practices and containerization technologies in cloud environments You are passionate about software quality and creating exceptional user experiences You have a strong command of both verbal and written English Background in fintech, DeFi, or iGaming is a bonus What kind of culture can I expect? Mature, mission-driven, and low-ego. We value clarity over noise, outcomes over theatrics, and pace without chaos. If you’re one of the smartest minds in your craft and want to build with other experts, you’ll feel at home here. Show more Base pay range The minimum salary is $66K and the max salary is $118K. $66K – $118K/yr (Glassdoor est.) $88K /yr Median Malta, MT If an employer includes a salary or salary range on their job, we display it as "Employer Provided". If a job has no salary data, Glassdoor displays a "Glassdoor Estimate" if available. To learn more about "Glassdoor Estimates," see our FAQ page. Conversations @Block Labs Kick off the conversation by asking about salaries, interviews or anything else @Block Labs. See what other Senior Frontend Engineer (React) are saying Interview Tips 786K members Salary Negotiations